Finding the Third Proportional to 116,638.50 and 245,727

Step by Step Solution

1. Step 1: Write the proportion equation
   116,638.50 : 245,727 = 245,727 : x
2. Step 2: Convert to fraction form
   116,638.50/245,727 = 245,727/x
3. Step 3: Cross multiply
   116,638.50x = 245,727 × 245,727
4. Step 4: Simplify right side
   116,638.50x = 60,381,758,529
5. Step 5: Solve for x
   x = 60,381,758,529/116,638.50
6. Step 6: Final answer
   x = 517,682.91